EN 10219

EN 10219

AspectDescription
ShapesCircular Hollow Sections (CHS), Square Hollow Sections (SHS), Rectangular Hollow Sections (RHS), Elliptical Hollow Sections (EHS).
Circular (CHS) DimensionsOuter diameter: 21.3 mm to 1219 mm. Wall thickness: 2.0 mm to 40 mm (typically ≥5 mm for structural applications).
Square (SHS) DimensionsSide length: 40 mm x 40 mm to 400 mm x 400 mm. Wall thickness: 2.0 mm to 20 mm.
Rectangular (RHS) DimensionsHeight x Width: 50 mm x 30 mm to 500 mm x 300 mm. Wall thickness: 2.0 mm to 20 mm.
Elliptical (EHS) DimensionsTypical sizes: 120 mm x 60 mm to 500 mm x 250 mm (major x minor axis). Wall thickness: 2.0 mm to 16 mm.
LengthStandard lengths: 6 m to 12 m (custom lengths up to 18 m possible, depending on manufacturer).
Dimensional TolerancesOuter dimensions: ±1% (min ±0.5 mm). Wall thickness: ±10% (or ±0.5 mm for seamless). Straightness: 0.2% of total length. Corner radius (SHS/RHS): 1.5T to 3T (T = wall thickness).
Mass Tolerance±6% for individual lengths; ±4% for bundles (as per EN 10210-2).
Sectional PropertiesCross-sectional area, moment of inertia, section modulus, and radius of gyration vary by size and shape; detailed in EN 10210-2 tables for design calculations.
Category:

Description

EN 10219 Cold-Formed Welded Structural Hollow Section

EN 10219 defines the technical delivery conditions for cold-formed welded structural hollow sections of non-alloy and fine grain steels. These sections are widely used in structural and engineering applications due to their excellent strength-to-weight ratio, dimensional accuracy, and weldability. Cold-formed hollow sections come in square, rectangular, and circular shapes, and they are widely utilized in steel frameworks, mechanical systems, and infrastructure projects.

Common Grades Available:

  • S235JRH – General structural grade with minimum yield strength of 235 MPa
  • S275J2H – Higher strength with improved impact properties at -20°C
  • S355J2H – High-strength grade with 355 MPa minimum yield and excellent impact toughness at -20°C

Key Features:

  • Cold-formed for precise dimensions and smooth surfaces
  • High strength-to-weight ratio
  • Excellent weldability and machinability
  • Impact tested (e.g., J2 = -20°C)
  • Consistent mechanical properties throughout the section
  • Complies with European design codes

Standards Compliance:

  • EN 10219-1: Technical delivery conditions
  • EN 10219-2: Tolerances, dimensions, sectional properties
  • Conforms to CE marking for structural use in construction

EN 10219 Chemical Composition (Max % for S355J2H):

C Mn P S N
0.22 1.60 0.035 0.035 0.012

EN 10219 Mechanical Properties (Typical):

Grade Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) Impact Energy
S235JRH ≥ 235 360–510 ≥ 26 27 J @ 20°C
S275J2H ≥ 275 410–560 ≥ 22 27 J @ -20°C
S355J2H ≥ 355 470–630 ≥ 22 27 J @ -20°C

Available Sizes

Circle Hollow Sections (CHS)

  1. Outside diameters range from 21.3mm to 457.2mm. 
  2. Wall thicknesses range from 2mm to 30mm. 

Square Hollow Sections (SHS)

  1. Outside dimensions range from 20x20mm to 400x400mm. 
  2. Wall thicknesses range from 2mm to 40mm. 

Rectangular Hollow Sections (RHS)

  1. Outside dimensions range from 40x20mm to 400x300mm. 
  2. Wall thicknesses range from 2mm to 16mm. 

Applications

  • Structural frameworks and buildings
  • Machinery and fabrication works
  • Infrastructure and transport sectors
  • Architectural and aesthetic structures
  • Agricultural equipment and fencing systems

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